Chicago, IL, USA to SGT to GMT to New Delhi, India to Brisbane, Australia
Time Difference
CDT (Central Daylight Time) is 13 hours behind Singapore Time and 5 hours behind Greenwich Mean Time and 10 hours and 30 minutes behind IST (India Standard Time) and 15 hours behind AEST (Australian Eastern Standard Time)
11:00 am11:00 in Chicago, IL, USA is 12:00 am00:00 in SGT and is 4:00 pm16:00 in GMT and is 9:30 pm21:30 in New Delhi, India and is 2:00 am02:00 in Brisbane, Australia
Chicago to SGT call time
Best time for a conference call or a meeting is between 6:30am-8:30am in Chicago which corresponds to 7:30pm-9:30pm in SGT
Chicago to GMT call time
Best time for a conference call or a meeting is between 8am-1pm in Chicago which corresponds to 1pm-6pm in GMT
Chicago to New Delhi call time
Best time for a conference call or a meeting is between 7:30am-9:30am in Chicago which corresponds to 6pm-8pm in New Delhi
Chicago to Brisbane call time
Best time for a conference call or a meeting is between 5:30am-7:30am in Chicago which corresponds to 8:30pm-10:30pm in Brisbane
11:00 am11:00 CDT (Central Daylight Time) (Chicago, IL, USA). Offset UTC -5:00 hours
12:00 am00:00 Singapore Time (SGT). Offset UTC +8:00 hours
4:00 pm16:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
9:30 pm21:30 IST (India Standard Time) (New Delhi, India). Offset UTC +5:30 hours
2:00 am02:00 AEST (Australian Eastern Standard Time) (Brisbane, Australia). Offset UTC +10:00 hours
11:00 am11:00 Chicago, IL, USA / 12:00 am00:00 SGT / 4:00 pm16:00 GMT / 9:30 pm21:30 New Delhi, India / 2:00 am02:00 Brisbane, Australia
| Chicago, IL, USA | SGT | GMT | New Delhi, India | Brisbane, Australia |
|---|---|---|---|---|
| 12am (midnight) | 1pm | 5am | 10:30 am | 3pm |
| 1am | 2pm | 6am | 11:30 am | 4pm |
| 2am | 3pm | 7am | 12:30 pm | 5pm |
| 3am | 4pm | 8am | 1:30 pm | 6pm |
| 4am | 5pm | 9am | 2:30 pm | 7pm |
| 5am | 6pm | 10am | 3:30 pm | 8pm |
| 6am | 7pm | 11am | 4:30 pm | 9pm |
| 7am | 8pm | 12pm (noon) | 5:30 pm | 10pm |
| 8am | 9pm | 1pm | 6:30 pm | 11pm |
| 9am | 10pm | 2pm | 7:30 pm | 12am (midnight) |
| 10am | 11pm | 3pm | 8:30 pm | 1am |
| 11am | 12am (midnight) | 4pm | 9:30 pm | 2am |
| 12pm (noon) | 1am | 5pm | 10:30 pm | 3am |
| 1pm | 2am | 6pm | 11:30 pm | 4am |
| 2pm | 3am | 7pm | 12:30 am | 5am |
| 3pm | 4am | 8pm | 1:30 am | 6am |
| 4pm | 5am | 9pm | 2:30 am | 7am |
| 5pm | 6am | 10pm | 3:30 am | 8am |
| 6pm | 7am | 11pm | 4:30 am | 9am |
| 7pm | 8am | 12am (midnight) | 5:30 am | 10am |
| 8pm | 9am | 1am | 6:30 am | 11am |
| 9pm | 10am | 2am | 7:30 am | 12pm (noon) |
| 10pm | 11am | 3am | 8:30 am | 1pm |
| 11pm | 12pm (noon) | 4am | 9:30 am | 2pm |
| 0:00 | 13:00 | 5:00 | 10:30 | 15:00 |
| 1:00 | 14:00 | 6:00 | 11:30 | 16:00 |
| 2:00 | 15:00 | 7:00 | 12:30 | 17:00 |
| 3:00 | 16:00 | 8:00 | 13:30 | 18:00 |
| 4:00 | 17:00 | 9:00 | 14:30 | 19:00 |
| 5:00 | 18:00 | 10:00 | 15:30 | 20:00 |
| 6:00 | 19:00 | 11:00 | 16:30 | 21:00 |
| 7:00 | 20:00 | 12:00 | 17:30 | 22:00 |
| 8:00 | 21:00 | 13:00 | 18:30 | 23:00 |
| 9:00 | 22:00 | 14:00 | 19:30 | 0:00 |
| 10:00 | 23:00 | 15:00 | 20:30 | 1:00 |
| 11:00 | 0:00 | 16:00 | 21:30 | 2:00 |
| 12:00 | 1:00 | 17:00 | 22:30 | 3:00 |
| 13:00 | 2:00 | 18:00 | 23:30 | 4:00 |
| 14:00 | 3:00 | 19:00 | 0:30 | 5:00 |
| 15:00 | 4:00 | 20:00 | 1:30 | 6:00 |
| 16:00 | 5:00 | 21:00 | 2:30 | 7:00 |
| 17:00 | 6:00 | 22:00 | 3:30 | 8:00 |
| 18:00 | 7:00 | 23:00 | 4:30 | 9:00 |
| 19:00 | 8:00 | 0:00 | 5:30 | 10:00 |
| 20:00 | 9:00 | 1:00 | 6:30 | 11:00 |
| 21:00 | 10:00 | 2:00 | 7:30 | 12:00 |
| 22:00 | 11:00 | 3:00 | 8:30 | 13:00 |
| 23:00 | 12:00 | 4:00 | 9:30 | 14:00 |
Chicago Information
Time Zone
CDT - Central Daylight Time
-5:00 hours during Central Daylight Time.
Sunday, March 9, 2025 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 9, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, November 2, 2025 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 2, 2025, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Chicago Facts
Singapore Time
Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia
SGT representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the east of the zero meridian.
- Hotel - Military abbreviation for SGT
- H - short form of 'Hotel'
- Singapore Time - UTC +8
- South Georgia Time - UTC -2
- ACT - ASEAN Common Time
- AWST - Australian Western Standard Time
- BNT - Brunei Darussalam Time
- CAST - Casey Time
- CHOT - Choibalsan Time
- CST - China Standard Time
- H - Hotel Time Zone
- HKT - Hong Kong Time
- HOVST - Hovd Summer Time
- IRKT - Irkutsk Time
- KRAST - Krasnoyarsk Summer Time
- MYT - Malaysia Time
- PHT - Philippine Time
- SGT - Singapore Time
- ULAT - Ulaanbaatar Time
- WITA - Central Indonesian Time
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Abidjan, Dakar, Grand Dakar, Accra
Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.
GMT representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
- Greenwich Mean Time - UTC +0
- GMT+03:00 - UTC +3
- GMT - UTC +1
- GMT+06:00 - UTC +6
- GMT-02:00 - UTC -2
- GMT+12:00 - UTC +12
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Universal Time Coordinated
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone